α-四(对羧基苯氧基)酞菁锌光敏剂的光谱性质研究
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摘要
研究了α-四(对羧基苯氧基)酞菁锌(α-TCPcZn)的UV-Vis光谱和荧光光谱.探讨了取代基和溶剂对α-TCPcZn的Q带λ_(max)的影响.结果表明,引入吸电子基团后金属酞菁配合物UV-Vis光谱的Q带最大吸收波长发生红移;荧光发射强度较强,在不同溶剂中的stokes位移介于14～21 nm之间.并采用UV-Vis吸收光谱法研究了其在丙酮中的光稳定性,表明在紫外光照射下,α-TCPcZn分子的光氧化分解反应过程为一级动力学反应.
The UV-Vis spectrum and fluorescence spectrum of α-tetra-(p-carboxyphenoxy)phthalocyanine zinc(α-TCPcZn)were studied.The effects of the substituted group and the solvesnt on Q-band with λmax of phthalocyanine complexes were discussed.The results indicated that the introducing electron-withdrawing group of metallophthalocyanine on Q-band with λmax absorption wavelength red shift.The fluorescence emission intensity is strong,and the stokes displacement in different solvents is between 14 and 21 nm.Light stability of α-TCPcZn in acetone by electronic absorption spectroscopy method,showed that under UV irradiation.The self-sensitive photooxidative decomposition of α-TCPc Zn molecule is a first-order kinetic reaction.
The UV-Vis spectrum and fluorescence spectrum of α-tetra-(p-carboxyphenoxy)phthalocyanine zinc(α-TCPcZn)were studied.The effects of the substituted group and the solvesnt on Q-band with λmax of phthalocyanine complexes were discussed.The results indicated that the introducing electron-withdrawing group of metallophthalocyanine on Q-band with λmax absorption wavelength red shift.The fluorescence emission intensity is strong,and the stokes displacement in different solvents is between 14 and 21 nm.Light stability of α-TCPcZn in acetone by electronic absorption spectroscopy method,showed that under UV irradiation.The self-sensitive photooxidative decomposition of α-TCPc Zn molecule is a first-order kinetic reaction.
引文
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[5]许秀枝,陈志枫,朱文山,等.水溶性八取代酞菁锌配合物(ZnPcBPO8I8)的合成及光谱性质研究[J].海峡药学,2014,26(6):141-145
[6]邬洪源,陈伟,李涛,等.α-四(4-羧基苯氧基)酞菁锌的合成与抗肿瘤活性研究[J].辽宁师范大学学报,2009,32(1):94-97
[7]薛金萍,洪湖铭,叶廷秀,等.四氮杂芳氧基取代酞菁金属配合物的UV-Vis吸收光谱研究[J].光谱学与光谱分析,2006,26(11):2050-2052
[8]Zhou J K,LüL,Yu J,et al.Synthesis of self-organized polycrystalline F-doped TiO2 hollow microspheres and their photocatalytic activity under visible light[J].The Journal of Physical Chemistry C,2008,112(14):5316-5321
[9]杨曼,邢力允,高卫栋,等.锌酞菁体外光动力学疗法体外抗肿瘤细胞量效关系[J].中国激光,2017,44(3):1-10
[10]李文菊.几种新型四取代金属酞菁配合物的合成及性质研究[D].长春:东北师范大学,2010
[11]卢珊.β-四(羧基苯氧基)酞菁的合成与光敏活性研究[D].南京:南京师范大学,2006
[12]潘佳宝,陈曦,方文娟,等.联合化疗与光动力治疗于一体的水溶性铜(Ⅱ)、镍(Ⅱ)酞菁的合成及体外抗癌活性[J].无机化学学报,2018,34(5):889-896
[13]Camur M,Bulut M,Kandaz M,et al.Synthesis,characterization and fluorescence behavior of new fluorescent probe phthalocyanines bearing coumarin substituents[J].Polyhedron,2009,28(2):233-238
[14]Foote C S.Definition of type I and type II photosensitized oxidation[J].Photochemistry and Photobiology,1991,54(5):659
[15]张丽娟,郑碧远,李洪才,等.四磺化酞菁锌与白蛋白复合物的制备、光谱性质与光动力活性研究[J].分析测试学报,2018,37(9):1020-1026